WO2023147802A2 - Corps pour un grattoir ou une raclette, grattoir et raclette, et procédé pour gratter ou racler une surface - Google Patents

Corps pour un grattoir ou une raclette, grattoir et raclette, et procédé pour gratter ou racler une surface Download PDF

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Publication number
WO2023147802A2
WO2023147802A2 PCT/DE2022/100973 DE2022100973W WO2023147802A2 WO 2023147802 A2 WO2023147802 A2 WO 2023147802A2 DE 2022100973 W DE2022100973 W DE 2022100973W WO 2023147802 A2 WO2023147802 A2 WO 2023147802A2
Authority
WO
WIPO (PCT)
Prior art keywords
handle
squeegee
wiper
head part
lip
Prior art date
Application number
PCT/DE2022/100973
Other languages
German (de)
English (en)
Other versions
WO2023147802A3 (fr
Inventor
Timo USTER
Original Assignee
Brandivision Gmbh
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Brandivision Gmbh filed Critical Brandivision Gmbh
Publication of WO2023147802A2 publication Critical patent/WO2023147802A2/fr
Publication of WO2023147802A3 publication Critical patent/WO2023147802A3/fr

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Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L1/00—Cleaning windows
    • A47L1/06—Hand implements
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47L—DOMESTIC WASHING OR CLEANING; SUCTION CLEANERS IN GENERAL
    • A47L13/00—Implements for cleaning floors, carpets, furniture, walls, or wall coverings
    • A47L13/10—Scrubbing; Scouring; Cleaning; Polishing
    • A47L13/11—Squeegees

Definitions

  • the invention relates to a body for a squeegee or wiper, as well as a squeegee and a wiper with a corresponding body.
  • the invention relates to a method of scraping or wiping a surface using a squeegee or a wiper.
  • Squeegees are used for squeezing smooth surfaces such as windows or shower walls.
  • Known squeegees have a head part with a squeegee lip which is aligned transversely to a handle connected to the head part.
  • the squeegee forms a sharp edge and must be pulled at a flat angle over a smooth surface in order to mechanically remove the moisture adhering to the surface by squeezing.
  • the angle of attack and the pressure of the squeegee lip on the surface must be kept as constant as possible during squeegeeing.
  • this object is achieved by a body for a puller according to patent claim 1 .
  • this object is achieved by a method for stripping or wiping a surface according to patent claim 13 .
  • a body for a puller according to the invention has a handle and a head part connected to the handle.
  • a pull-off lip is arranged on the head part transversely to the longitudinal direction of the handle.
  • the pull-off lip is made of rubber.
  • the head part is connected to the handle via a rotary joint, so that the head part can be rotated about an axis parallel to the pull-off lip.
  • the swivel joint is spring-loaded.
  • the springing of the swivel joint is realized by a torsion spring.
  • a swivel joint enables a user to perform the squeegee in a comfortable posture at different heights and in particular also in an area below the middle of the body, since the required angle of the squeegee lip on the surface to be squeegeed is constant with a variation of the angle between the handle and the head part of the squeegee can be held.
  • the orientation of the pull-off lip is thus partially decoupled from the orientation of the handle by the swivel joint.
  • the swivel joint can be locked so that the angle from the head part to the handle is fixed in the locked position.
  • the head part can be pivoted in relation to the handle in an angular range of approximately 190°.
  • At least one sliding or rolling device other than the pull-off lip is arranged on the head part.
  • the sliding or rolling device is arranged in front of the stripping lip in the stripping direction and has at least one contact surface for contacting the surface to be stripped.
  • a plurality of sliding or rolling devices are arranged on the head part, which are arranged approximately parallel to the pull-off lip in the longitudinal direction thereof.
  • rollers have an axis of rotation parallel to the squeegee lip, so that they roll on the surface to be squeegeed during a linear squeezing movement.
  • the body according to the invention for a puller can be pressed with the at least one contact surface against the surface to be pulled off.
  • the handle is designed to be telescopic, so that areas of a surface to be pulled off that are further away can be reached both upwards and downwards from a comfortable posture.
  • the telescoping ability of the handle is coupled with the orientation and movement of the body for a squeegee in such a way that the handle is automatically telescoping when the body for a squeegee is moved along a surface to be squeegeed using at least one drive element .
  • the handle is automatically lengthened in a predetermined area when peeling off a surface to be peeled off, so that a comfortable posture can always be maintained by the user.
  • the telescoping ability of the handle is motor-assisted.
  • the motor for telescoping the handle can be integrated so that it can be controlled automatically and/or manually.
  • the body is designed in such a way that the telescoping mechanism of the handle is automatically activated when the head part and the handle are at an angle of approximately 90° to one another. With a vertical orientation of the working direction, this corresponds approximately to the position in which the handle is aligned approximately horizontally.
  • a puller according to the invention has a body for a puller according to the invention.
  • the technical teaching can also be applied analogously to a wiper which has a wiper bar instead of the wiper lip or in addition to the wiper lip.
  • the wiper bar is made of an absorbent, soft material or material mix.
  • a wiper according to the invention therefore also has a body according to the invention as described above.
  • the handle is designed to be telescopic without a rotary joint being arranged between the handle and the head part.
  • the various disclosed embodiments of the telescoping handle find application in these embodiments.
  • a method of squeegeeing or wiping a surface according to the invention is carried out using a squeegee or wiper according to the invention.
  • the wiper or squeegee is placed with its wiper bar or the squeegee lip at a first position on the surface to be wiped or squeegeed.
  • this first position is the highest position in the sense of the highest point of the surface to be wiped or scraped off.
  • the squeegee or wiper is then guided in one direction along the surface.
  • the method is applied to surfaces which, in the end area of the wiping or squeegeeing movement, encounter a second surface oriented at an angle to the surface to be wiped or squeegeed, such as the floor or a window frame, the squeegee or wiper will then come into contact with this second surface along this second surface away from the surface to be wiped or pulled off, until the end area of the surface to be wiped or pulled off is also wiped off or pulled off by the wiper bar of the wiper or the pulling lip of the squeegee by folding over the head of the wiper or squeegee.
  • a second surface oriented at an angle to the surface to be wiped or squeegeed such as the floor or a window frame
  • the teaching according to the invention makes it possible to simplify the use of the objects according to the invention, save time during use, improve the result, relieve the user's physical strain and reduce the risk of accidents during use.
  • Figure 1 A perspective view of a first embodiment of a puller with a body according to the invention
  • FIGS. 2A-2D side views of the embodiment according to FIG. 1 in different positions of the head part
  • FIG. 3 A perspective view of an embodiment of a puller with a telescoping handle
  • FIG. 4 A representation of the embodiment from FIG. 3 with a partially opened housing
  • Figure 5 A schematic representation of a puller according to the invention in use
  • Figure 6 A sectional representation of an embodiment with a telescoping handle and drive
  • FIG. 7 A detailed view of an embodiment according to FIG. 6 in the area of the head part
  • FIG. 8 The view according to FIG. 7 with the housing partially open
  • FIG. 9 A view of the embodiment from FIG. 8 with a changed angle of the handle to the head part
  • Figure 10 A detailed view in the area of the drive of the telescoping mechanism
  • FIG. 11 A rear view of the head part of the embodiment according to FIGS. 6 to 10,
  • Figure 12 A detailed view of the construction in the area of the drive element of the telescoping mechanism
  • Figure 13 A view of an embodiment of the telescoping mechanism in the handle
  • Figure 14 A sectional view of the representation from Figure 13
  • Figure 15 A perspective view of another embodiment of a
  • Figure 16 A section through the embodiment according to Figure 15.
  • FIG. 1 shows an embodiment of a puller (40) according to the invention in a perspective view.
  • the puller (40) has a body according to the invention
  • the handle (2) composed of a handle (2) and a head part (3).
  • a pull-off lip (41) is arranged on the head part (3) of the puller (40) and extends in a direction transverse to the handle (2).
  • the pull-off lip (41) is fixed to the head part (3) with the aid of a detachable fixing element (42).
  • several fixing elements (42) for fastening the pull-off lip (41) to the head part (3) are also conceivable.
  • two fixing elements (42) are conceivable, each fixing the pull-off lip (41) on one side.
  • a sliding or rolling device (7) is arranged on the rear side of the head part (3) facing the handle (2), which is realized by four parallel rollers in the embodiment shown.
  • the outer rolling surface of the rollers forms the contact surface (8) of the sliding or rolling device (7).
  • the swivel joint (4) can be locked in a fixed position using a locking lever (9).
  • a puller (40) according to the invention having a body (1) according to the invention next to a surface (50) to be pulled off.
  • the functional principle of the body (1) according to the invention and the method for stripping or wiping according to the invention will be explained in more detail below with reference to these drawings.
  • the puller (40) is first placed with the head part (3) on the surface (50) to be pulled off.
  • the head part (3) is in the rest position. In embodiments of the invention, this is defined by the provision of a stop in the rotary joint (4).
  • the squeegee (40) then contacts the surface (50) to be swept with the squeegee lip (41) and with the contact surfaces (8) of the sliding or rolling device (7).
  • the resilience of the swivel joint (4) is designed in such a way that the peel-off lip (41) is pressed against the surface (50) to be peeled off. This pressure is maintained regardless of the position of the handle (2) relative to the head part (3) when the sliding or rolling device (7) contacts the surface (50) to be pulled off with the contact surfaces (8).
  • the squeegee (40) is then guided in the working direction along the surface (50) with the contact surfaces (8) of the sliding or rolling device (7) on the surface (50) to be squeegeed.
  • the working direction is always aligned in the direction from the stripping lip (41) to the sliding or rolling device (7), i.e. the sliding or rolling device (7) lies in the stripping direction in front of the stripping lip (41) on the surface (50) to be stripped.
  • the pull-off lip (41) remains in the optimum position as long as the user keeps rollers of the sliding or rolling device (7) in contact with the surface. These pressure rollers derive the user's pressure force into the surface. Only the resilience of the swivel joint exerts an optimal force on the pull-off lip (41).
  • the direction of movement of the squeegee (40) in the working direction is unrestrained, since the squeegee (41) always follows behind the rollers of the sliding or rolling device (7) and is therefore always pulled, even if the user pushes the squeegee (40).
  • a working direction from top to bottom on the surface (50) to be peeled off is preferably chosen. In principle, however, it is also possible to work in horizontal tracks.
  • the surface (50) to be peeled off is particularly preferably peeled off in partially overlapping, approximately parallel paths.
  • the orientation of the handle (2) is always maintained with its rear side approximately in the direction of a point at a comfortable height for the user in relation to the surface (50) to be removed when performing the removal, the angle between the head part (3 ) and the handle (2) during the movement of the stripping lip (41) over the surface (50) to be stripped. This enables a user to comfortably hold the puller (40) in any position of the puller (40) on the surface (50) to be pulled off.
  • the angle between the head part (3) and the handle (2) is approximately 90°.
  • the squeegee (40) is so wide in an end region, at the end of which the surface (50) to be squeegeed meets a second surface (51) with the contact surfaces (8) of the sliding or rolling device (7). along the surface (50) to be peeled off until they also contact the second surface (51). Then, as shown in Figure 2D, the squeegee (40) is moved away from the surface (50) to be squeegeed with the contact surfaces (8) of the sliding or rolling means (7) abutting the second surface (51). The head part (3) folds back in the direction of the rest position due to the resilience of the swivel joint (4), the pull-off lip (41) sliding along the end area on the surface (50) to be pulled off.
  • FIG. 3 shows an embodiment of a puller (40) according to the invention with a telescoping handle (2) in a perspective view.
  • the handle (2) has an inner tube (10) which can be inserted into and pulled out of an outer tube (11), so that the length of the handle (2) can be changed.
  • the handle (2) can be telescoped by at least two tubes that can be slid into one another. Also in embodiments of the invention is the use of three or more tubes that can be slid into one another to implement the telescopic function of the handle (2), so that when the handle is pushed in, a larger extension can be implemented compared to just two tubes with the same handle length.
  • the length adjustment of the fully or partially telescoped handle (2) can be locked freely or in predetermined positions with the aid of a telescopic lock (14).
  • the puller according to FIG. 3 is shown in FIG. 4 with an opened housing in the area of the head part and the inner tube (10) of the handle (2).
  • the suspension (5) of the swivel joint (4) can be seen, which is realized by two torsion springs that are arranged on opposite sides of the axis of rotation (6) of the swivel joint (4).
  • the locking device of the swivel joint (4) is realized by a locking lever (9) and a locking hook (12).
  • the locking lever (9) is arranged on the axis of rotation (6) of the swivel joint (4).
  • the locking hook (12) snaps into a groove in the body of the head part (3) and thereby locks the swivel joint (4).
  • the four rollers of the sliding and rolling device (7) are mounted on a common axis which is held in the rear area of the head part (3).
  • embodiments are also conceivable in which not all rollers are mounted on a common axis.
  • each roller can also be rotated on its own axis.
  • FIG. 5 illustrates the use of a squeegee (40) with a body (1) according to the invention for squeezing a surface (50), the squeegee (41) having a swivel joint (4) and a telescoping handle (2).
  • the surface (50) to be peeled off can also be peeled off in the lower area below the middle of the user's body when the user is in a comfortable posture. Both the orientation of the hand holding the handle (2) and the posture as such are ergonomic and comfortable for the user.
  • FIG. 6 shows a section through a perspective representation of a body (1) according to the invention used for a puller (41).
  • the handle (2) of the body (1) is automatically telescopic.
  • a drive element (13), presently designed as a roller (15), is arranged on the head part (3) via a transmission device, presently realized by a toothed disc (16a) or a pinion, which is/are mounted on the axis of the drive element (15). is mounted, and a belt (16b) or chain connected to an extension and retraction element.
  • a rotary movement can be converted into a linear movement and can be used to move the inner tube (10) relative to the outer tube (11) of the telescoping handle (2).
  • the handle (2) in the illustrated embodiment has a return spring (17), which is tensioned when the handle (2) is extended.
  • FIG. 7 shows a detailed view of a head part (3) of a body (1) for a puller (40) according to FIG. 6, also in a perspective view from above.
  • the drive element (13) has two rollers (15) which are arranged centrally on the head part (3) in the area of the swivel joint (4) and which are each arranged to the side of a belt (16b).
  • the sliding and rolling device (7) includes two additional rollers on the two lateral ends of the head part (3).
  • the drive of the telescopic handle (2) can be activated via at least one activation element, here designed as two activation slides (22). If the at least one activation element is not activated, the movement of the drive element (13) is not used to telescope the handle (2).
  • the at least one drive element (13) is coupled in the illustrated embodiment of the invention by means of two control cams (18), each of which is guided in a slot (21) running obliquely like a worm gear.
  • a first stop (19) defines the rest position into which the head part (3) moves without external influence due to the resilience of the swivel joint (4).
  • the first attack (19) is used to return the control cam (18) to the rest position when the head part (3) is returned to the rest position.
  • the housing of the head part (3) has a housing lock (23) via which the housing parts can be locked together in the correct position for assembly.
  • FIG. 8 shows the head part (3) of the body (1) according to FIG. 7 with the upper housing part removed.
  • the suspension (5) of the swivel joint (4) can be seen through it.
  • FIG. 9 shows the head part (3) from FIG. 8 with a different angle of the handle (2) relative to the head part (3).
  • the control cams (18) have turned together with the handle (2).
  • FIG. 10 shows a detailed view of the head part (3) according to FIG. 9 in the area of a control cam (18).
  • FIG. 11 shows the embodiment according to the invention of the head part (3) of a body for a wiper or squeegee according to FIGS. 6 to 10 from the front with the handle (2) strongly deflected from the rest position.
  • This alignment of the handle (2) to the head part (3) is realized in the end region of the surface (50) to be cleaned, which is in the working direction.
  • the activation elements (24) are in the deactivated position in this illustration, i.e. the activation slides (22) are not pushed inwards here, towards the center of the head part (3).
  • the stop shoulders (25) of the activation elements (24) can be clearly seen in this representation. If the activation elements (24) are activated by correspondingly moving the activation slide (22) inwards, the stop shoulders (25) lie in the movement paths of the control cams (18). With a corresponding deflection of the handle (2) due to the rotation of the swivel joint (4), these hit these stop shoulders (25) and can therefore no longer be rotated.
  • the positioning of the stop shoulders (25) in relation to the deflection angle of the control cams (18) is preferably implemented in such a way that the control cams (18) stop at the stop shoulders (25) at an angle of approximately 90° between the head part (3) and Handle (2) takes place. In this position, the transition from a pulling to a pushing movement takes place. In the case of a vertical working direction, this corresponds approximately to a horizontal orientation of the handle (2). This extends the handle (2) with increasing deflection automatically when cleaning the surface, so that the end area of the surface can also be easily removed or wiped off.
  • control cams (18) As soon as the control cams (18) have struck the stop shoulder (25) of the respective activation element (24), the control cams (18) are displaced in the respective oblong hole (21) if the rotary joint (4) is rotated beyond this.
  • the elongated holes (21) are arranged at an angle in the direction of the drive element (13), so that the control cams (18) are displaced in the direction of the drive element (13) when the rotary joint (4) is rotated further in the respective elongated hole (21).
  • the mode of operation of the coupling device (26) realized in this way can be seen from FIG. In the area of the right roller (15), the figure is shown as a section.
  • the control cams (18) are each connected to a connecting element (27) which can be displaced by moving the control cam (18) in the respective elongated hole (21) on the axis of a respective roller (15) of the drive device (13). The shift is transferred to the respective roller (15).
  • the elongated holes (21) are arranged in a part of the body (1) rigidly connected to the handle (2).
  • the connecting elements (27) are connected to the respective roller (15), so that the rotational movement of the roller (15) and the connecting element (27) or control cam (18) are decoupled from one another.
  • the connecting element (27) is now displaced in the direction of the roller (15) by turning the handle (2) relative to the head part (3) together with the control cam (18) resting on the stop shoulder (25), the latter will move on its axis of rotation shifted in the direction of the belt (16b).
  • power transmission elements of the coupling device (26) for transmission of the rotation from the roller (15) to the belt (16b) which in the present case are designed as detents, mesh with one another.
  • the coupling device (26) has detents, each fixed to the roller (15) and fixed to the toothed disc (16a)—here lying under the belt (16b) and therefore not visible.
  • roller (15) If the roller (15) is shifted in such a way that the coupling device (26) couples it to the toothed disc (16a), the rotational movement of the roller (15) is transmitted to the toothed disc (16a) and thus also to the belt (16b), so that this is driven.
  • the reset or decoupling takes place automatically when the puller (40) or wiper is removed from the wall.
  • the spring of the swivel joint (4) relaxes and returns the head section (3) to its original position.
  • the first stop (19) moves the connecting element (27) back by moving the control cam (18) in the respective elongated hole (21) and thereby decouples it.
  • the roller (15) is coupled to the roller (15) via an annular circumferential groove (35) in the body of the connecting element (27), in which the roller (15) engages, for example, with the aid of a snap connection or stud bolts.
  • the respective roller (15) and the associated connecting element (27) can be rotated in relation to one another about the axis of rotation and are coupled in the axial direction for the transmission of a linear movement.
  • Figures 13 and 14 show details of the conversion of the rotational movement transmitted to the belt (16b) into a linear movement for displacing the inner tube (10) relative to the outer tube (11) of an embodiment according to the invention of the telescoping handle (2) of a body (1) for a squeegee (40) or wiper.
  • the conversion device (28) is implemented in the outer tube (11) by two toothed racks (28a) and one associated gear wheel (28b) engaging in the teeth of the toothed rack (28a), the gear wheels (28b) being driven by the belt (16b) can be driven.
  • the rotation causes the gears (28b) to move along the toothed racks (28a), so that the inner tube (10) is displaced in relation to the outer tube (11).
  • a return spring (17) for drawing the inner tube (10) into the outer tube (11) and a belt tensioner (29) for tensioning the belt (16b) are arranged in the handle (2).
  • FIGS. 15 and 16 show an embodiment of a puller (40) with a body (1) according to the invention, which has a motor-driven, telescopic handle (2).
  • the motor (31) arranged in the handle (2) can be activated via a switch (30).
  • the switch (30) has at least three different positions through which the The direction of rotation of the motor (31) for retracting or extending the handle (2) can be adjusted or the motor (31) can be switched off.
  • the handle (2) can also be retracted by releasing the motor (31) in the corresponding switch position, the required restoring force then preferably being applied with the aid of a return spring.
  • the motor (31) is designed as an electric motor that can be supplied with energy using at least one energy store (32) arranged in the handle (2).
  • the motor (31) has a drive axle (33) which is coupled to the motor shaft and on the end of which which faces away from the motor (31) a drive worm (34) is arranged.
  • This drive worm (34) engages in a rack (28b) connected to the inner tube (10), so that the inner tube (10) rotates the motor (31) relative to the outer tube (11) to implement the telescopic function of the handle (2). is movable.
  • the body (1) has at least one sensor for detecting the orientation of the handle (2) in relation to the head part (3), so that the telescoping of the handle (2) is automatically detected in a corresponding position area by a corresponding control of the Motor (31) is executable.
  • the angle between the handle and the head part is detected using a reed contact.
  • the telescoped handle (2) can be reset by an impulse from the reed contact, whereby the worm gear is disengaged and the telescope is pulled back into the shortened position with spring force, or the motor switches in the opposite direction and the telescopic rod is pulled back at increased speed.

Landscapes

  • Hand Tools For Fitting Together And Separating, Or Other Hand Tools (AREA)
  • Cleaning Implements For Floors, Carpets, Furniture, Walls, And The Like (AREA)

Abstract

L'invention concerne un corps destiné à un grattoir ou une raclette, un grattoir et une raclette ainsi qu'un procédé pour gratter ou racler une surface. L'invention résout le problème de la manipulation non ergonomique de grattoirs ou de raclettes connus, par l'agencement d'une articulation tournante entre la poignée et la partie de tête de dispositifs correspondants. Dans des modes de réalisation avantageux, ceci est combiné à une poignée télescopique, l'articulation tournante et la poignée télescopique se complétant de manière synergique.
PCT/DE2022/100973 2022-02-03 2022-12-21 Corps pour un grattoir ou une raclette, grattoir et raclette, et procédé pour gratter ou racler une surface WO2023147802A2 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102022102595.0A DE102022102595A1 (de) 2022-02-03 2022-02-03 Körper für einen Abzieher oder Wischer, Abzieher und Wischer sowie Verfahren zum Abziehen oder Wischen
DE102022102595.0 2022-02-03

Publications (2)

Publication Number Publication Date
WO2023147802A2 true WO2023147802A2 (fr) 2023-08-10
WO2023147802A3 WO2023147802A3 (fr) 2023-09-28

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PCT/DE2022/100973 WO2023147802A2 (fr) 2022-02-03 2022-12-21 Corps pour un grattoir ou une raclette, grattoir et raclette, et procédé pour gratter ou racler une surface

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DE (1) DE102022102595A1 (fr)
WO (1) WO2023147802A2 (fr)

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WO2024074689A1 (fr) * 2022-10-06 2024-04-11 Vermond Francois Perche automatique télescopique et système de nettoyage comportant une telle perche
FR3140564A1 (fr) * 2022-10-06 2024-04-12 Héderic VERMOND Perche automatique télescopique et système de nettoyage comportant une telle perche

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CN201026173Y (zh) * 2007-03-30 2008-02-27 朱雪林 一种柔性擦窗器
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DE102014001250C5 (de) * 2014-02-03 2021-07-29 Carl Freudenberg Kg Fensterwischer
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Publication number Priority date Publication date Assignee Title
WO2024074689A1 (fr) * 2022-10-06 2024-04-11 Vermond Francois Perche automatique télescopique et système de nettoyage comportant une telle perche
FR3140564A1 (fr) * 2022-10-06 2024-04-12 Héderic VERMOND Perche automatique télescopique et système de nettoyage comportant une telle perche

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